<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="../js/jquery-1.11.3.js"></script>
</head>
<body>
<div></div>
<script>
//    $('div').text('<h2>你好</h2>')
//    $('div')[0].innerText = '<h2>你好</h2>';

//    $('div').html('<h2>你好</h2>')
//    $('div')[0].innerHTML = '<h2>你好</h2>';




</script>
</body>
</html>